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JPL Small-Body Database Browser
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20678 (1999 VE9)
Classification: Main-belt Asteroid          SPK-ID: 2020678
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142215446400333 3.5307e-08  
a 2.433811264017354 8.1099e-09 au
q 1.912436455677244 8.4842e-08 au
i 1.328049574761984 4.2599e-06 deg
node 97.29131281618452 0.00019736 deg
peri 350.7865201417471 0.00019766 deg
M 56.99716514592387 1.1019e-05 deg
tp 2458380.926700995101
(2018-Sep-19.42670100)
4.2111e-05 TDB
period 1386.84770443213
3.80
6.9319e-06
1.898e-08
d
yr
n .2595814946727757 1.2975e-09 deg/d
Q 2.955186072357463 9.8473e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1596  
   data-arc span      15483 days (42.39 yr)  
   first obs. used      1976-12-16  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51262  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:54:39  

Additional Information
 Earth MOID = .92887 au 
 Jupiter MOID = 2.26165 au 
 T_jup = 3.474 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO474037  
diameter diameter 3.217 km 0.505 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.271   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20678 (1999 VE9)          Discovered 1999-Nov-08 by Korlevic, K. at Visnjan
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VE9 = 1962 CF1 = 1976 YR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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